numerical series 中文意思是什麼

numerical series 解釋
數值級數
  • numerical : adj 數字的;數值的;用數字表示的。 (a) numerical order 號數。 a numerical statement 統計。 the ...
  • series : n 〈sing pl 〉1 連續;系列。2 套;輯;叢刊;叢書。3 【生物學】區;族。4 【植物;植物學】輪;列;...
  1. With two - dimensional quasi - geostrophic motion, a series of numerical experiments are made to prove the theoretical results

    ; gj )傳統識別模式誤差和奶始誤差的方法,是把一系列的初始場輸入到。
  2. The inconsistent excitation can be decomposed into a series of irregular incident waves in terms of the spectral decomposition scheme of the hermitian matrix, with which the coherency function of the ground motions under the inconsistent excitation can be obtained numerical results are given to show its stability and rationality

    該方法將隨機輸入下的波動分析問題轉換為多個虛擬激勵下的確定性波動分析組合問題,從而可以方便地獲得場地波動觀測量之間的譜密度矩陣,進而計算給出工程場地的地震動相干函數本文還用數值模擬的辦法對所提出方法的合理性和穩定性進行了探討。
  3. The main results achieved in this thesis can be summarized as follows : 1. by means of the fourier series expansion, an approximate analytical propagation equation of flattened gaussian beams ( fgbs ) passing through an apertured paraxial abcd optical system is derived, and illustrated with numerical examples, when the transmissivity of the aperture is t ( x ) = cos ( x )

    用傅立葉級數展開法研究了平頂高斯光束通過有光闌限制的近軸abcd光學系統的傳輸特性,導出了光闌透射率為t ( x ) = cos ( x )時的近似解析傳輸公式,硬邊光闌的情況可作為= 0的特例得到。
  4. For the first time, the coaxial ridge - disk - loaded cylindrical waveguide as sws is presented. its dispersion equation and the expression of coupling impedance are given by application of the field matching method. a series of numerical results show that the influence of structure dimensions on the dispersion characteristics and interaction impendance

    三、創造性地提出脊加載同軸膜片圓波導慢波結構,並對其採用嚴格的場匹配法,詳細推導了色散方程和耦合阻抗表達式,並得到一系列有關系統結構參量與色散和耦合阻抗之關系的數值模擬結果。
  5. Our factory introduces the advanced production equipment, import such a series of equipment as large - scale numerical control machining center, line cutting, grinding machine, numerical control milling machine, spark - erosion machine tool, etc

    本廠引進先進的生產設備,擁有進口大型數控加工中心線切割磨床數控銑床電火花機床等一系列設備。
  6. Numerical mathematics a journal of chinese universities english series

    高等學校計算數學學報英文版
  7. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  8. The series solution of the eccentric spherical capacitor ’ s capacitance has been obtained based on the bispherical coordinate system and strict derivetion, and through making programe to compute to get the numerical relation between the capacitance and the eccentrity, pionted out that the capacitance not let up but enlarged with the gain of eccentriccity

    四、採用雙球坐標系嚴格求解了偏心球形電容器的電容。得到了它的級數解,求得了偏心球形電容器電容大小隨偏心度變化的規律,發現偏心球形電容器電容的大小並不是隨偏心率的增加而減小,而是隨偏心率的增加而增加的。
  9. The data exchange technology is studied and the data exchange interface is provided in our own engraving system. aiming at the shortage of complex engraving picture, slender flower - veins, the long machining code, and out of ems memory of numerical control system, we develop a series of dnc subsystem which realizes the on - line transmission machining of engraving parts

    對數據轉換技術進行了研究,在雕刻系統中提供了數據轉換介面,針對雕刻圖案復雜,花紋細,生成的加工代碼長,以及數控系統內存小的問題,開發了一個計算機直接數控( dnc )子系統,實現雕刻零件的在線傳輸加工。
  10. Golden future series of intellectual coater developed by the company adopts numerical control coating system introduced from foreign countries and can meet strict requirements for airproof performance in aviation, spaceflight, ship, saloon car, engine, motor and manufacture of machine tool. it s really ideal equipment taking the place of artificial work in coatong and sealing procedure and to improve product quality and working efficiency

    公司研製開發的金未來系列智能塗膠機是引進國外先進技術開發的數控塗膠系統,可以滿足航空航天船舶轎車發動機摩托車及機床製造等對產品的密封性能的嚴格要求,是塗膠密封工藝環節中取代手工作業,提高產品質量和工作效率的理想設備。
  11. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數,其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到,這個系數能反映河床底質結構及固結程度,通過系列數值試驗和實測資料的統計分析確定。
  12. Based on series fundamental experiments and theoretical analyses, the electro - spray of fuel and charged two - phase turbulent flow are studied systematically and comprehensively in this thesis, which established a research foundation for electro - spray combustion. the research involves charging mechanism, charging and atomization characteristics of fuel, flow field properties of electro - spray, theory of charged two - phase flow and numerical simulation

    本文圍繞燃料的靜電噴霧與荷電兩相湍流射流進行了系統而深入的理論和實驗研究,研究內容包括燃料的荷電機理、荷電霧化特性、荷電噴霧射流流場及荷電兩相湍流理論與數值計算,為荷電噴霧燃燒的進一步研究奠定了基礎。
  13. Series of numerical examples are tested and the results are compared with that of some other algorithms

    在最小生成樹的基礎上,將超過度約束的頂點降低度數使之滿足度約束條件。
  14. In fact, we have done theoretical analysis and a series of numerical experiments, which show that for the nine - point scheme applied to a system of two - dimension three - temperature equations over an irregular quadrangle grid, both the local accuracy and global accuracy are very disappointing

    事實表明九點格式僅在均勻平行四邊形網格上具有較好精度,在一般的不規則四邊形網格上,其局部及整體精度都是非常令人失望的。
  15. A parametric analysis of the inviscid effects of leading edge sweep, sidewall compression, width - height ratio, cowl position and inflow mach number on spillage is finished. numerical simulations are completed for a series of inlets at various flight height and velocity. the research indicates that the area of spillage window, which is mainly determined by the position of the cowl, significantly influences the spillage characteristic of the scramjet inlet

    闡明了側板后掠的側壓進氣道設計參數對構型溢流影響;對不同側板配置方式的側壓式進氣道進行了數值模擬,通過對比分析,發現由唇口板的位置所決定的溢流窗面積的大小對進氣道溢流特性的影響顯著。
  16. The numerical simulation of the push - out test specimens were conducted with the ansys program, the simulation results were in good agreement with the experimental results, based on which a series of src beam specimens experimented before were also numerically simulated with the ansys program and compared with the experimental results, from these a set of methods to simulate the src structures with the ansys program, which including the establishment of the fem model, solution of the fem model, solution results analysis and so on was finally established

    )程序對推出試驗進行了數值模擬,並與試驗結果進行了對比分析,然後對型鋼混凝土梁進行了ansys ~ ( ? )程序有限元分析,最終形成了一套型鋼混凝土構件ansys ~ ( ? )程序有限元分析的建模、計算和分析方法,並根據本文的粘結滑移基本性能研究提出了型鋼混凝土粘結錨固可靠度分析方法和錨固設計建議。
  17. This paper analyzed the mechanism of bond between the steel shape and concrete in the src ( steel reinforced concrete ) structures. by a series of src push - out tests, both the bond strength and the relations between the bond stresses and slip, which was usually called bond - slip constitutive relations, were analyzed and studied to solve the problem on bond - anchoring design and the problem on numerical simulation of the bond - slip in fem ( finite element method ) analysis of src structures

    本文分析探討了型鋼混凝土中型鋼與混凝土之間的粘結滑移機理,並通過型鋼混凝土推出試驗( push - outtest )研究了型鋼混凝土粘結強度、粘結應力-滑移相互關系(粘結滑移本構關系) ,以解決型鋼混凝土結構中的粘結錨固問題和有限元分析中的粘結滑移模擬問題。
  18. After we define the n - numerical range of bounded linear operators on a hilbert space, we find that the n - numerical range have a series properties very similar to that of the quadratic numerical range. at the same time, we prove that under certain conditions, wn ( a ) c w ~ ( a ) and that when h is finite dimensional and dimti = n, we have a ( a ) = wn ( a ). therefore, it is nature to guess that when h is an infinite dimensional hilbert space, for any space decomposition dn ? ?

    首先給出了n次數值域的定義,我們發現n次數值域不但具有一系列和二次數值域類似的性質,而且在給定的條件下還有n次數值域包含在二次數值域當中,另外當是n維hilbert空間時,它的n次數值域就等於它的譜集,前面的結論促使我們猜想,當是無限維hilbert空間時,對的任意的空間分解d _ n ,都應該有下面的式子成立: ( a ) = _ ( d _ n d ) w _ ( d _ n ) ~ n ( a ) 。
  19. In order to adapt to the national construction machinery market s widespread demand, our factory provides each kind of import large - scale equipments and domestic most advanced equipments as numerical control cutter, paint processing assembly line and so on, simultaneously introduces one group of specialized technology development personnel and the outstanding administrative personnel, make any effort to produce the newer and more superior series wheeled excavator, to satisfy the general user s demand from all walks of life

    為適應全國工程機械市場的廣泛需求,本廠配備各類進口大型加工設備和國內最先進的數控切割機油漆加工流水線等設備,同時引進一批專業的技術開發人員和優秀的管理人員,力爭生產更新更優秀的系列輪式挖掘機,滿足廣大各界用戶的需求。
  20. And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.

    在對上述兩種流動形態的二維大渦模擬研究中,首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究;分析了平面尾跡流場中近壁處旋渦擬序結構,全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律;描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構,從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。
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